Sakae/Ringyo (SR) FS, FOURSIR
Main Photo
Category:  Stems
Name:  Sakae/Ringyo (SR) FS, FOURSIR
Brand:  Sakae/Ringyo (SR)
Primary Group:  FOURSIR
Model:  FS
Years:  Early 1980's
Country:  Japan
Weight:  230 grams (Spec), 100mm model
Added By: ojn on 08/17/13
Updated By: ojn on 08/17/13
Additional Photos - click for full size
Sakae/Ringyo (SR) FS, FOURSIRSakae/Ringyo (SR) FS, FOURSIRSakae/Ringyo (SR) FS, FOURSIRSakae/Ringyo (SR) FS, FOURSIRSakae/Ringyo (SR) FS, FOURSIRSakae/Ringyo (SR) FS, FOURSIRSakae/Ringyo (SR) FS, FOURSIR
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Bar Clamp Size 26.0Quill Size 22.2
Expander Style ConicalExpander Bolt Size5mm Allen Key
Binder Bolt Size 5mm Allen Key  
General Information
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Additional Resources
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Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
FOURSIRSakae/Ringyo (SR)View 2 Components
Brand Information(click to expand)
Date of Manufacturing / Production Code for SR seatposts (at least for the 80's):
The date of prodcution of SR (Laprade) seatposts is shown around the min.insert line as follows:
"letter"-"double digit number", e.g. F-81 oder L-81, while the letter should be the month and the number will be the year of production.
So F-81 seems to be June 1981 while L-81 would indicate December 1981.
(in-line with the code 1 examples on

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